Hot selling vitamin ball pen Materials: PVC, Size: closed: 5.8cm length, draw out: 12cm. Diameter: 2.3cm. Weight: 11g Item ... name: hot selling vitamin ball pen, wholsale pens ... , lovely pen, telescopic pen, vitamin ball pen, plastic pen, capsule pen Materials: PVC,Size; closed: 5.8cm length, draw out: 12cm.Diameter ...